Ferrea 5000 Series Hi Performance 1.840" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.910" Length - 11/32" Stem Diameter - 4.910" Length 57349226 ''twin plug'' 4-cylinders require two

''twin plug'' 4-cylinders require two (2) coil packs

Eliminate oil seepage and prolong the life of your gaskets

Throttle Return Spring Bracket

425" Reach

Ferrea 5000 Series Hi Performance 1.840" Intake Valves (Set of 8) - SB Chevy - 11/32" Stem Diameter - 4.910" Length - 11/32" Stem Diameter - 4.910" Length 57349226 ''twin plug'' 4-cylinders require twoThe 5000 Series Valves have become the alternative for performance engine builders that use our competitor's "street" or "performance valve. " These valves are produced in our CNC centers allowing tight tolerances and cost effective design. They feature a one piece forging made from stainless steel, a special heat treatment process, hard chrome stems, and hard tip. Most applications are available in an undercut stem and dished head, while other